Senior Software Engineer, Ad Platform

Wurl is seeking a Senior Software Engineer to build and optimize the high-concurrency Go services powering our real-time advertising platform. We operate at massive scale, handling 100k+ OpenRTB requests per second where latency is measured in single-digit milliseconds. You will be a key contributor to our core engine, ensuring our services thrive under extreme load while providing a strong technical reference point for the team’s Go development practices.

• Feature Ownership: Lead the design and implementation of complex features within our Go-based ad-serving stack, optimized for high throughput.
• Systems Optimization: Use pprof and tracer to eliminate bottlenecks; tune memory allocation and goroutine usage to meet aggressive p99 latency targets.
• Protocol Mastery: Maintain high-speed support for OpenRTB and VAST protocols, focusing on efficient request parsing and validation.
• Stream Processing: Integrate services with Kafka pipelines and with low-latency data stores to support real-time decisioning.

• Platform Partnership: Work closely with Platform Engineers to ensure application behavior aligns with infrastructure capabilities, specifically around auto-scaling triggers, networking, and deep observability.
• Defensive Engineering: Implement reliability patterns (circuit breakers, retries, graceful degradation) to maintain uptime during traffic surges.
• Production Ownership: Take end-to-end responsibility for services, from initial design through deployment to Kubernetes (EKS) and production monitoring.

• Architectural Rigor: Lead design reviews, providing critical feedback on system architecture, data modeling, and API design.
• Mentorship: Grow the team through thoughtful code reviews and informal sessions on Go best practices and distributed systems.

• Go Expertise: 5+ years of professional experience building high-scale services in Go, with a deep understanding of internals (GC, scheduling, and memory management).
• High-Scale Systems: Proven track record of operating distributed systems handling 100k+ RPS.
• Concurrency: Mastery of goroutines, channels, and synchronization primitives.
• Domain Context: Experience with OpenRTB, VAST, or similar programmatic advertising technologies preferred.
• Infrastructure: Practical experience running and debugging services in Kubernetes and AWS environments
• Mindset: A pragmatic architect who values simple, effective solutions over over-engineered abstractions.
• Advantageous: Experience with Intercal to create scalable, modern distributed systems.

• Go as a First-Class Citizen: Join a specialized environment where performance is the primary feature.
• Engineering at the Edge: Tackle the unique concurrency and networking challenges that only emerge at the "hundreds of thousands of RPS" threshold.
• Direct Visibility: See your optimizations immediately move the needle on revenue and the ad experience for millions of global streamers.

• Competitive Salary & Equity
• Strong Medical, Dental and Vision Benefits, 100% paid by Wurl 
• Remote first policy 
• Flexible Time Off 
• 10 US Holidays 
• 401(k) Matching
• Pre-Tax Savings Plans, HSA & FSA
• Ginger, Aaptiv and Headspace subscriptions for mental and physical wellness
• OneMedical subscription for 24/7 convenient medical care
• Paid Maternity and Parental Leave for all family additions
• Discounted PetPlan and easy at home access to Covid testing with empowerDX 
• $1k Work From Home Stipend to set up your Office 

Few companies allow you to thrive like you will at Wurl. Join us to revolutionize the way the world watches television while enjoying mentorship, collaboration, and innovation.

We encourage all applicants, even those who don’t meet 100% of the requirements, to apply. Passion and potential go a long way here at Wurl.